Informix Error 25571
after running in single user mode ( onmode -j ) Technote (troubleshooting) Problem(Abstract) Recently you swithced to single user mode using onmode -j. Now you have changed back to multi-user or online mode using onmode -m. You are trying to connect to the database server but seeing 25571 messages in the online.log: listener-thread: err = -25571: oserr = 0: errstr = : Cannot create a user thread. The error -25571 has been encountered 60 times since it was last printed to the log. Cause Going into single user mode ( onmode -j ) kills all non-DBSA/informix user connections to the server. This kill is not a graceful process so it will leave TCP/IP connections on the port with a status of FIN_WAIT_2. There is a parameter called TCP_FIN_WAIT_2_FLUSH_INTERVAL that sets the amount of time that a connection will stay in this state. The default value for this parameter can be over 10 minutes. If many connections are killed by onmode -j, then you could have a large backlog of TCP/IP connections with a status of FIN_WAIT_2 waiting for the OS to finally close them after the interval defined by TCP_FIN_WAIT_2_FLUSH_INTERVAL has passed. Depending on the queue size defined for the port and the number of killed connections on the port you might not be able to fit any more connections in the queue for that port. onmode -j is designed to kill the connections in this manner so you can enter single user mode immediately. When running onmode -j you are asked if you want to kill all non-DBSA/informix user connections to the server. Diagnosing the problem netstat -an | grep
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Tag: Informix Error Code -25571 Informix Error Messages and Error Codes From Error 235571 to 25572 March 16, 2015 SQLServerF1 Leave a comment http://www.sqlserverf1.com/tag/informix-error-code-25571/ Informix Error Code -25571 Cannot create a user thread. The database server http://www.sqlserverf1.com/informix-error-messages-and-error-codes-from-error-23559-to-25571/ cannot create or spawn a user thread for a client that is trying to establish a connection. Probable causes of the error and corrective actions include: The database server cannot allocate system resources for the user thread at the moment. The client can retry the connection informix error later. When other clients finish their work, some system resources should become available again. Check to see if the user is the right person to execute the utility or the program. For information about who can use what utilities, refer to the Trusted Facility Manual or your Administrator's Guide. A user who is not allowed to use informix error 25571 a particular client application to connect to the database server tried to use the utility to connect. Client applications include SQL APIs, DB-Access, and all the database server utilities. A request for a Global Language Support (GLS) structure failed. Refer to the corrective actions for errors -23100, -23101, -23102, Informix Error Code -23104, -23108, and -23110 for possible solutions. A user attempting to connect to the database server does not belong to the database server user group, as defined in $INFORMIXDIR/dbssodir/seccfg on a UNIX system or in the registry on a Windows NT system. Make sure that the user belongs to a user group that can access the database server. For more information about DBSSO users, see the Trusted Facility Manual. Informix Error Code -25572 Network driver cannot bind a name to the port. A system call has failed. The sqlexecd daemon or database server cannot access the network port that is specified by the servicename in the sqlhosts file. This situation might occur because the network port is already
Informix Error Messages and Error Codes From Error 23559 to 25571 March 16, 2015 SQLServerF1 Leave a comment Informix Error Code -25559 DBPATH server server-name is not listed as a dbserver name in sqlhosts. The database server that your DBPATH environment variable setting specifies is not listed in the $INFORMIXDIR/etc/sqlhosts file. Check that every database server that is mentioned in DBPATH corresponds to an entry in the sqlhosts file. Informix Error Code -25560 Environment variable INFORMIXSERVER must be set. The INFORMIXSERVER environment variable must specify a default database server. Use a setenv command in C shell or a set command in Bourne shell to set INFORMIXSERVER. Informix Error Code -25561 Invalid authentication type. If this internal error recurs, please note all circumstances and contact Informix Technical Support. Informix Error Code -25565 Cannot get process information. If this internal error recurs, please note all circumstances and contact Informix Technical Support. Informix Error Code -25566 System time error. See the system administrator regarding this operating-system error. Check that the system clock is set correctly. Informix Error Code -25567 Internal communications buffer management error detected. Memory corruption or incorrect use of buffer-management routines usually causes this error. Check that no memory corruption problem exists in the current process space. If the error recurs, please note all circumstances and contact Informix Technical Support. Informix Error Code -25568 Debugging utility error. If this internal error recurs, please note all circumstances and contact Informix Technical Support. Informix Error Code -25570 Network driver cannot execute the fork system call. A system call has failed. See the UNIX system administrator for assistance. Informix Error Code -25571 Exceeded the maximum number of user threads. Check the value of the USERTHREADS parameter in the ONCONFIG configuration file and the value of the userthreads field of the NETTYPE parameter. Above are list of Informix Error Messages and Errors Codes or Status Codes or Exit Codes along with Error and Warning messages received while performing certain operation against Informix applications or related products. What are Informix Error Messages? All Informix messages returned by the Informix server are assigned an error code. In general, each Informix error contains the following information: • The Informix Error Code or Informix Error status • The message text. This text is usually returned with the Error cod